EP0967830A1 - Verfahren zur Übertragung von Signalisierungsdaten - Google Patents

Verfahren zur Übertragung von Signalisierungsdaten Download PDF

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Publication number
EP0967830A1
EP0967830A1 EP99401568A EP99401568A EP0967830A1 EP 0967830 A1 EP0967830 A1 EP 0967830A1 EP 99401568 A EP99401568 A EP 99401568A EP 99401568 A EP99401568 A EP 99401568A EP 0967830 A1 EP0967830 A1 EP 0967830A1
Authority
EP
European Patent Office
Prior art keywords
standard
channel
sent
signaling
blocks
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99401568A
Other languages
English (en)
French (fr)
Other versions
EP0967830B1 (de
Inventor
Christian Laroque
Lahcen Bennai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent SAS
Original Assignee
Alcatel SA
Nokia Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alcatel SA, Nokia Inc filed Critical Alcatel SA
Publication of EP0967830A1 publication Critical patent/EP0967830A1/de
Application granted granted Critical
Publication of EP0967830B1 publication Critical patent/EP0967830B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/009—Arrangements for interconnection between switching centres in systems involving PBX or KTS networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435—Details
    • H04Q11/0457—Connection protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H04Q3/0025—Provisions for signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13176—Common channel signaling, CCS7
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13204—Protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13209—ISDN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13216—Code signals, frame structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1322—PBX
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13389—LAN, internet

Definitions

  • the subject of the present invention is a method of transmitting signaling data. It is particularly usable in the field telephony to connect PABXs, especially private branch exchanges.
  • channels of transmission comprising, in principle, physical reservation, temporal, or functional means to send data and the physical, temporal or functional reservation of resources to send signaling signals.
  • Signals from signage, or signage in general allow to organize transfer of data to other means.
  • Data channels or signaling can thus be physically differentiated channels, pairs of telephone wires in a multi-pair cable. They can be also frequency allocations in a global band of frequency.
  • they can functionally be messages sent on a channel but whose recipient is sometimes a person, sometimes another depending on signaling data contained in the message.
  • homogeneous accesses are those in which channels used for data are the same type as channels used for sending signaling.
  • hybrid accesses for which the types of channels are different, although the invention is also adaptable to access homogeneous.
  • this problem is solved by transforming the data.
  • the format accepted by the channel also includes the addition to this data signaling of an information according to which they are data of signage. Indeed the channel that will be used does not make the distinction, we will indicate to him, according to a protocol determined in advance in the invention, that these are signaling messages.
  • UDP-IP User Datagram Protocol - Internet Protocol
  • This UDP - IP standard is not structured like ISDN standard, it is not compatible with it.
  • the sending of information packages are not insured on the one hand and their order on the other hand arrival is even less assured.
  • the channel used to send messages from signaling will be a QSIG -GF standard channel.
  • QSIG -GF QSIG -GF standard channel.
  • networks according to the QSig-GF standard have signaling channels.
  • these channels of signaling are only capable of conveying SAPI S messages, and not SAPI P messages. Therefore, all information of the SAPI P type developed by the automatic exchanges as part of ISDN communications cannot be routed.
  • Figure 1 shows a process according to the invention.
  • PBX 1 Private Automatic Branch eXchanger connected to telephony equipment 2 and 3.
  • equipment 2 and 3 are telephone sets or microcomputers.
  • the particularity of the construction of equipment 2 and 3 is that it conforms to the ISDN standard as well as that of the PABX 1.
  • this ISDN standard we develop for all connections of a device 2 to the PABX 1 or to another device 3, information comprising a signaling part 4 and a part of message content 5.
  • parts 4 and 5 are treated by different circuits.
  • the circuits that process information 4 have in particular for the purpose of putting into service all the switches necessary for the routing of messages between equipment 2 and equipment 3.
  • the link 7 which allows connecting the two switches is a connection of a different type and operating according to a protocol different from that of the ISDN standard.
  • the protocol of the link 7 is an Internet protocol respecting the UDP - IP type instructions. More generally the connection will include channels (not shown) for transmitting messages 5 and a channel to the UDP - IP standard to transmit signaling 4 relating to these messages 5.
  • the block to send consisting of a block 9 and its rank 15 which must comply with the UDP - IP standard.
  • receives and returns to PAB 1 an acknowledgment of receipt representing essentially the rank of the last block sent received and corresponding to a continuous sequence of packets sent received.
  • the sending is done using a rotating memory 19 which, in one example, has 4 boxes for loading four blocks to to send.
  • a rotating memory 19 which, in one example, has 4 boxes for loading four blocks to to send.
  • PABX 6 can then, taking into account conditions which have affected the transmission, note that he actually received the sent block of rank 1, the block of rank 2, that he did not received the rank 3 block but that he did receive the rank 4 block.
  • the PABX 1 can load the rotating memory 19 with a block following 5 and another block following 6 in place of blocks 1 and 2 already received.
  • the content of memory 19 will then be constituted blocks 3, 4, 5 and 6. So when PAB 1 loads memory rotating 19 with blocks 5 and 6, only these two blocks are sent.
  • a block to send is actually sent when this block is present in the rotary memory and when this block already sent has not been acknowledged after a time delay. So block 3, and possibly block 4 Are sent.
  • block 4 can be sent a second time although we may have already received it when it was first sent, but because its timing can also expire before receive acknowledgment, acknowledgment, of packet 3 (or even of block 6 since all these blocks have been sent). So on, we load the rotating memory 19 and the blocks are sent as and when receipt of acknowledgments. In addition, if no accused of reception is not received, after a given time delay, to re-transmit in the entire contents of the rotating memory. So if no other accused of reception is not received from acknowledgment number 2, we can send blocks 3, 4, 5 and 6 a second time.
  • block 3 which has not been previously received in good time, arrives late in PBX 6, while this one has already received the block sent 3 during the second sending of this block to to send. In this case, quite simply this block sent is received in duplicate. he is discarded and is not treated a second time.
  • the monitoring messages 20 simply take the form of a signaling block of rank 1 which is sent with the frequency retained for testing the functionality of channel 7. For example they can be sent approximately every 15 seconds. If the acknowledgment, 1, which concerns is received, the channel is deemed functional. If it is not, at after a certain number of attempts, channel 7 is declared deficient and a alert procedure must be initiated. It is the same if a block of rank n expected is never received.
  • the rank of a block sent cannot be greater than 255. This is not annoying since it suffices to start counting again from 0 when you have reaches 255 if the number of blocks is greater than 255. In this case, only make sure that the rotating memory has a number of blocks significantly less than 256.
  • FIG. 2 shows elements similar to those of Figure 1 but adapted to the QSig-GF protocol which also does not comply with the ISDN standard. In this one we have also a little bit detailed the PABX operation 1.
  • This includes a microprocessor 21 in connection by a bus 22 with equipment 2-3, with an interface 23 in QSig-GF format and with a program memory 24 including a program for formatting messages to format understandable by the QSig-GF standard. It was the same for the Figure 1 for the UDP-IP protocol.
  • This program 24 includes among others, a particular mode of use having a call procedure, connection procedure, sending procedure free messages called FACILITY and a disconnection procedure.
  • messages to be sent on the channel in QSig-GF format must essentially have a header 25.
  • the header 25 is given on a byte.
  • This first byte is a facilitated piece of information (EI FACILITY). It contains four types of information.
  • a first type of information informs about the length of the message of facility.
  • the header also concerns a protocol discriminator, references of the support communication call, and the type of message.
  • the type of the message will always be a type of FACILITY.
  • a header specific to the message In a zone 26 of the message of FACILITY consecutive to the zone header 25, we will indicate a header specific to the message. In an area 27 next we will indicate (by a code corresponding to S or P) the nature of SAPI S or SAPI P of the message. In a next free zone 28, we send the actual signaling messages: information 4 previously seen. If the message then constituted according to the QSig-GF protocol is longer than the 128 bytes available in a normal frame of the message from FACILITY (from which we must also deduct the headers and zones 26 and 27), the length indicated in part 25 must include a indication that the FACILITY message will continue beyond 128 bytes. In this case, the message created will include a part 29, identical to part 26, and part 30.
  • Part 30 replaces the indication relating to SAPI S or SAPI P. But it includes in practice a row of length extension, beyond the normal length. In the example shown, it was thus planned that the part 30 could include information of rank A, then information of rank B following. So following, depending on the length of the signaling message to be transmitted, of a on the other hand the information 25 will be provided according to the length, and on the other hand milestones A, B will be interposed within the message.
  • the signaling data to be transmitted will be flow control data, security data and, essentially, message scheduling data.
  • the information part 5 can be sent between the PABXs 1 and 2 through other channels, in a known manner or unknown.
  • equipment 2 and 3 can be connected to equipment 13 and 14 also by UDP - IP type channels or QSig-GF type channels. These channels, while being of the same type as the channels that are used for signaling transmission will however different. This does not send the signaling and the messages on the same channel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Electron Tubes For Measurement (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
EP99401568A 1998-06-25 1999-06-24 Procédé de transmission de données de signalisation Expired - Lifetime EP0967830B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9808065A FR2780592B1 (fr) 1998-06-25 1998-06-25 Procede de transmission de donnees de signalisation
FR9808065 1998-06-25

Publications (2)

Publication Number Publication Date
EP0967830A1 true EP0967830A1 (de) 1999-12-29
EP0967830B1 EP0967830B1 (de) 2008-04-09

Family

ID=9527854

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99401568A Expired - Lifetime EP0967830B1 (de) 1998-06-25 1999-06-24 Procédé de transmission de données de signalisation

Country Status (5)

Country Link
US (1) US7031298B2 (de)
EP (1) EP0967830B1 (de)
AT (1) ATE392112T1 (de)
DE (1) DE69938479T2 (de)
FR (1) FR2780592B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1168881A1 (de) * 2000-06-06 2002-01-02 Tenovis GmbH & Co. KG Verfahren zur Übertragung von User-to-User-Signalisierungen zwischen zwei Telekommunikationsendgeräten
EP1168882A1 (de) * 2000-06-28 2002-01-02 Tenovis GmbH & Co. KG Verfahren zur Zugangsprüfung bei Einwahl über eine PSS1/QSIG-Leitung in eine Telekommunikationsanlage
EP1255412A3 (de) * 2001-05-02 2003-01-02 Tenovis GmbH & Co. KG Verfahren zur Realisierung einer Systemzeit in einem Telekommunikationsnetz und korrespondierendes Telekommunikationssystem
EP1168798A3 (de) * 2000-07-01 2004-12-08 Tenovis GmbH & Co. KG Zusammenarbeit zwischen den Zeichegabeverfahren DSS1 und PSS1/QSIG bei der Übertragung von Anzeigeinformationen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7124195B2 (en) * 2001-10-17 2006-10-17 Velcero Broadband Applications, Llc Broadband network system configured to transport audio or video at the transport layer, and associated method
US7426218B1 (en) * 2001-11-27 2008-09-16 Verizon Business Global Llc Communication systems and QSIG communications methods

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5594732A (en) * 1995-03-03 1997-01-14 Intecom, Incorporated Bridging and signalling subsystems and methods for private and hybrid communications systems including multimedia systems
EP0769882A1 (de) * 1995-10-20 1997-04-23 Koninklijke KPN N.V. System zur Signalübertragung zwischen Fernmeldenebenstellenanlage
CA2221218A1 (en) * 1996-12-23 1998-06-23 Lucent Technologies, Inc. Local telephony service over a cable network using packet voice
EP0857004A2 (de) * 1997-02-04 1998-08-05 Koninklijke KPN N.V. System für Fernzugriff
WO1999005590A2 (en) * 1997-07-25 1999-02-04 Starvox, Inc. Apparatus and method for integrated voice gateway

Family Cites Families (8)

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US5062108A (en) * 1989-09-29 1991-10-29 At&T Bell Laboratories ISDN codeset conversion
US5115431A (en) * 1990-09-28 1992-05-19 Stratacom, Inc. Method and apparatus for packet communications signaling
US5572530A (en) * 1994-10-07 1996-11-05 Comsat Corporation Technique for efficient integration of integrated services digital network (ISDN) into satellite system
US5724355A (en) * 1995-10-24 1998-03-03 At&T Corp Network access to internet and stored multimedia services from a terminal supporting the H.320 protocol
JPH09238146A (ja) * 1996-03-01 1997-09-09 Fujitsu Ltd Ａｔｍ交換機の通信監視システム
US6411797B1 (en) * 1996-09-20 2002-06-25 Itt Manufacturing Enterprises, Inc. Method and apparatus for performance characterization of satellite transponders
US6044070A (en) * 1997-10-15 2000-03-28 Ericsson Inc. Remote connection control using a tunneling protocol
JPH11136291A (ja) * 1997-10-28 1999-05-21 Fujitsu Ltd 音声インターワーク機能を有するセル伝送装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5594732A (en) * 1995-03-03 1997-01-14 Intecom, Incorporated Bridging and signalling subsystems and methods for private and hybrid communications systems including multimedia systems
EP0769882A1 (de) * 1995-10-20 1997-04-23 Koninklijke KPN N.V. System zur Signalübertragung zwischen Fernmeldenebenstellenanlage
CA2221218A1 (en) * 1996-12-23 1998-06-23 Lucent Technologies, Inc. Local telephony service over a cable network using packet voice
EP0857004A2 (de) * 1997-02-04 1998-08-05 Koninklijke KPN N.V. System für Fernzugriff
WO1999005590A2 (en) * 1997-07-25 1999-02-04 Starvox, Inc. Apparatus and method for integrated voice gateway

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1168881A1 (de) * 2000-06-06 2002-01-02 Tenovis GmbH & Co. KG Verfahren zur Übertragung von User-to-User-Signalisierungen zwischen zwei Telekommunikationsendgeräten
EP1168882A1 (de) * 2000-06-28 2002-01-02 Tenovis GmbH & Co. KG Verfahren zur Zugangsprüfung bei Einwahl über eine PSS1/QSIG-Leitung in eine Telekommunikationsanlage
EP1168798A3 (de) * 2000-07-01 2004-12-08 Tenovis GmbH & Co. KG Zusammenarbeit zwischen den Zeichegabeverfahren DSS1 und PSS1/QSIG bei der Übertragung von Anzeigeinformationen
EP1255412A3 (de) * 2001-05-02 2003-01-02 Tenovis GmbH & Co. KG Verfahren zur Realisierung einer Systemzeit in einem Telekommunikationsnetz und korrespondierendes Telekommunikationssystem

Also Published As

Publication number Publication date
ATE392112T1 (de) 2008-04-15
US7031298B2 (en) 2006-04-18
DE69938479T2 (de) 2009-08-06
EP0967830B1 (de) 2008-04-09
US20020031112A1 (en) 2002-03-14
DE69938479D1 (de) 2008-05-21
FR2780592B1 (fr) 2000-08-04
FR2780592A1 (fr) 1999-12-31

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